We present the application of software process modeling and simulation using an agent-based approach to a real case study of software maintenance. The original process used PSP/TSP; it spent a large amount of time estimating in advance maintenance requests, and needed to be greatly improved. To this purpose, a Kanban system was successfully implemented, that demonstrated to be able to substantially improve the process without giving up PSP/TSP. We customized the simulator and, using input data with the same characteristics of the real ones, we were able to obtain results very similar to that of the processes of the case study, in particular of the original process. We also simulated, using the same input data, the possible application of the Scrum process to the same data, showing results comparable to the Kanban process.
A comparative study of scrum and kanban approaches on a real case study using simulation
LUNESU, MARIA ILARIA;MARCHESI, MICHELE;
2012-01-01
Abstract
We present the application of software process modeling and simulation using an agent-based approach to a real case study of software maintenance. The original process used PSP/TSP; it spent a large amount of time estimating in advance maintenance requests, and needed to be greatly improved. To this purpose, a Kanban system was successfully implemented, that demonstrated to be able to substantially improve the process without giving up PSP/TSP. We customized the simulator and, using input data with the same characteristics of the real ones, we were able to obtain results very similar to that of the processes of the case study, in particular of the original process. We also simulated, using the same input data, the possible application of the Scrum process to the same data, showing results comparable to the Kanban process.
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